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<!DOCTYPE html>
<html class=reftest-wait>
<title>legend and dynamic update</title>
<link rel=fieldset-foo-ref.html>
<p>There should be a normal fieldset below with the legend "Foo".</p>
<fieldset>
<legend>F</legend>
</fieldset>
<script>
const legend = document.querySelector('legend');
// force layout
legend.offsetTop;
requestAnimationFrame(() => {
legend.textContent += "oo";
requestAnimationFrame(() => {
document.documentElement.removeAttribute('class');
});
});
</script>
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